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quantity作主語時謂語用單數還是復數
1. 若單獨用quantity作主語,謂語動詞用單數。如:
It is used to emphasize that the quantity is very large. 它用于強調數量很大。
2. 若用于a great (large, small) quantity of…結構,其后主要接不可數名詞,但有時也接復數名詞;這類結構用作主語時,其謂語的數原則上與其中的名詞的數保持一致。如:
There are a small quantity of apples in the house. 房子里有少量的蘋果。
A large quantity of food was on the table. 大量的食物擺在桌上。
3. 若該結構變成(large) quantities of…這樣的形式,則當它用作主語時,其謂語動詞一律用復數(與其中名詞的數無關)。如:
Huge quantities of oil were spilling into the sea. 大量的石油滲到海里。
Large quantities of rice have been destroyed in the flood. 大量的莊稼在洪水中被毀壞了。
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